<template>
    <div>
          <city-header></city-header>
          <city-search :cities="cities"></city-search>
          <city-list
          :cities="cities"
          :hot="hotCities"
          :letter="letter"
          ></city-list>
          <city-alphabet
          :cities="cities"
          @change="handleLetterChange"
          >
          </city-alphabet>
    </div>
</template>

<script>
import axios from 'axios'
import CityHeader from './components/header.vue'
import CitySearch from './components/search.vue'
import CityList from './components/list.vue'
import CityAlphabet from './components/alphabet.vue'
    export default {
        components:{
            CityHeader,
            CitySearch,
            CityList,
            CityAlphabet
        },
        data(){
            return{
                cities:{},
                hotCities:[],
                letter:''
            }
        },
        mounted(){
          this.getCityInfo()
        },
        methods:{
          getCityInfo(){
              axios.get('/api/city.json')
              .then(this.handleGetCityInfo)
          },
          handleGetCityInfo(res){
            //   console.log(res)
               res = res.data
           if (res.ret && res.data) {
              const data = res.data
              this.cities = data.cities
              this.hotCities = data.hotCities
          }
        },
        handleLetterChange(letter){
            //  console.log(letter)
             this.letter = letter
        }
    }
    }
</script>

<style lang="stylus" scoped>

</style>